TY - RPRT TI - Appearance, properties, and origin of altered human hemoglobin in feces. AU - R M Burton AU - K S Landreth AU - G H Barrows AU - D D Jarrett AU - C L Songster PY - 1976 UR - https://pubmed.ncbi.nlm.nih.gov/60507/ ID - 60507 ER -